British retirees travel to India to take up residence in what they believe is a newly restored hotel. Less luxurious than its advertisements, the Marigold Hotel nevertheless slowly begins to charm in unexpected ways as the residents find new purpose in their old age.

An urban hotel in London is a gathering and flash point for legal and illegal immigrants attempting to cobble together their lives in a new country. The immigrants include Senay, a Turkish woman, and a Nigerian doctor named Okwe who is working as a night porter at the hotel. The pair discover the hotel is a front for all sorts of clandestine activities. Their only wish is to avoid possible deportation. Okwe becomes more entangled in the goings on when he is called to fix a toilet in one of the rooms. He discovers the plumbing has been clogged by a human heart.